/* * Call related stuff, mostly to do with dialling. * * Copyright 1999 Pavel Machek * Copyright 1999 Jamie Lokier * Copyright 1999 R.J.M. Close * * Can be distributed under GPL */#ifndef LT_DP_CALL_H#define LT_DP_CALL_H 1#include "homol.h"#include "modem_globals.h"#include "portIO.h"#include "dp_v8bis.h"void dp_DTMF_dial_cmd (unsigned char digit);// Pulse dial!void dp_pulse_dial_cmd(int arg);// Set up tone detection.void dp_detect_tones_cmd (void);// Detects the dial tone. Well actually it seems to detect the presence// of a signal greater than (H_dialtone_level*2) for 2.5 seconds.// Currently doesn't work! since dp_read_dsp_ram(0x3A); always returns 0.// needs tidying up.bool dp_dial_tone_detected (void);// Returns True if another modem answers the call.bool dp_answer_tone_detected(void);bool dp_busy_tone_detected (void);bool dp_quiet_answer_detected(void);bool dp_ring_detected(void);bool dp_ringback_detected(void);void dp_detect_over_current (unsigned char arg1);void dp_update_blacklist (char* szDialstring, unsigned char arg2);void dp_dial (void);// Home made stuff, extracted from dp_periodic_task.void bodge_init_dial (void);void bodge_after_dial_init (void);bool call_detected(void);void connect_to_modem(void);// Variablesunsigned short dp_busy_on_cadence;unsigned short dp_busy_off_cadence;unsigned short dp_continuous_busy_timer;unsigned short dp_no_ringback_timer, dp_ringback_on_timer, dp_ringback_off_timer;int dp_ringback_state;short dp_ringback_on_cadence;short dp_ringback_off_cadence;unsigned char dp_ringback_cycles;#endif